Questions & Answers
Browse all 25 questions from the
Maritime Technology Basics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary device used by sailors to determine direction based on the Earth's magnetic field?
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A
Compass
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B
Sextant
-
C
Radar
-
D
Sonar
2
Which piece of equipment is used to measure the depth of water beneath a ship's hull?
-
A
Anemometer
-
B
Fathometer
-
C
Barometer
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D
Tachometer
3
What is the term for the vertical distance between the waterline and the bottom of the hull?
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A
Freeboard
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B
Draft
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C
Beam
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D
Length
4
Which technology uses radio waves to detect the distance and speed of other ships or obstacles?
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A
GPS
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B
Sonar
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C
Radar
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D
Loran
5
What device is used to measure the speed of a vessel through the water?
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A
Speed log
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B
Clinometer
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C
Gyroscope
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D
Plumb line
6
Which invention allows a ship to travel through narrow canals by raising or lowering the water level?
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A
Dry dock
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B
Ship lock
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C
Breakwater
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D
Jetty
7
What is the primary function of a ship's rudder?
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A
Propulsion
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B
Steering
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C
Braking
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D
Stabilizing
8
Which system is used globally to determine a ship's precise position using satellite signals?
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A
AIS
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B
GPS
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C
VHF
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D
EPIRB
9
What is the purpose of a ballast tank on a ship?
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A
Fuel storage
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B
Cargo handling
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C
Stability and trim
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D
Fire suppression
10
Which instrument is used to measure the angle between a celestial object and the horizon for navigation?
-
A
Sextant
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B
Telescope
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C
Microscope
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D
Thermometer
11
What is the main purpose of an AIS (Automatic Identification System) transponder?
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A
Navigation mapping
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B
Ship tracking and collision avoidance
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C
Communication via satellite
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D
Weather forecasting
12
Which part of a ship provides the necessary thrust to move it through the water?
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A
Keel
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B
Propeller
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C
Anchor
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D
Bulwark
13
What is a 'bow thruster' used for on a large vessel?
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A
High-speed cruising
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B
Ice breaking
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C
Maneuvering at low speeds
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D
Cargo loading
14
Which emergency device is designed to float and transmit a distress signal if a ship sinks?
-
A
EPIRB
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B
VHF radio
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C
Life ring
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D
Flare gun
15
What is the function of a nautical chart?
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A
Weather reporting
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B
Underwater mapping for navigation
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C
Engine monitoring
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D
Communication with port
16
Which piece of equipment is used to prevent the anchor chain from tangling?
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A
Windlass
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B
Swivel
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C
Bollard
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D
Cleat
17
What does a clinometer measure on a ship?
-
A
Water temperature
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B
Angle of tilt (roll)
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C
Wind speed
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D
Current strength
18
What is the 'bridge' of a ship?
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A
The engine room
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B
The cargo hold
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C
The command center
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D
The kitchen
19
Which of these is a modern alternative to traditional paper nautical charts?
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A
ECDIS
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B
Sextant
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C
Logbook
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D
Compass
20
What is a 'breakwater' constructed for?
-
A
To dock ships
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B
To provide shelter from waves
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C
To store cargo
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D
To fuel vessels
21
Which unit is used to measure the speed of a ship?
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A
Knots
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B
Kilometers per hour
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C
Miles per hour
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D
Mach
22
What is the main purpose of a lifebuoy?
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A
Navigation
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B
Fire fighting
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C
Rescue of a person in water
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D
Storage of water
23
Which device is used to measure atmospheric pressure to predict weather changes at sea?
-
A
Barometer
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B
Anemometer
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C
Hygrometer
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D
Thermometer
24
What is the 'keel' of a ship?
-
A
The mast
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B
The bottom structural backbone
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C
The steering wheel
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D
The engine
25
What does the term 'freeboard' refer to?
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A
The distance from the waterline to the deck
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B
The weight of the ship
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C
The speed of the wind
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D
The capacity of the cargo hold
